package org.xin.security.common;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.xin.common.result.ResultCode;
import org.xin.framework.config.exception.CloudException;
import org.xin.security.constant.SecurityConstant;
import org.xin.security.pojo.bo.SecurityUser;

/**
 * @author ：xin
 * @date ：Created in 2021/10/2
 * @desc <p>  </p>
 * @modified By：$
 * @version: $
 */
public class SecurityUtil {

    /**
     * 用户ID
     **/
    public static String getUserId() {
        try {
            return getSecurityUser().getUserId();
        } catch (Exception e) {
            throw new CloudException(ResultCode.UN_LOGIN);
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getUsername() {
        try {
            return getSecurityUser().getUsername();
        } catch (Exception e) {
            throw new CloudException(ResultCode.UN_LOGIN);
        }
    }

    /**
     * 获取用户
     **/
    public static SecurityUser getSecurityUser() {
        try {
            return (SecurityUser) getAuthentication().getPrincipal();
        } catch (Exception e) {
            throw new CloudException(ResultCode.UN_LOGIN);
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(String userId) {
        return SecurityConstant.ADMIN_ID.equals(userId);
    }
}
